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Gallery of universal triangles.
Hexagram i-jing 21
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serial numbers of hexagrams of the Chinese Book of Changes

1. Perfect world.
CAPRICORN - cardinal sign and fourth quarter of zodiac.
AQUARIUS - firm sign and fourth quarter of zodiac.
SAGITTARIUS - mutable sign and third quarter of zodiac.

2. Person.
ARIES - cardinal mark and elements of fire.
LEO - firm mark and elements of fire.
PISCES - mutable mark and elements of water.

3. Imperfect world - unconscious sphere.
ARIES - initial third of astrological circle and symbol of fiery element.
LEO - middle third of zodiacal circle and symbol of fiery element.
PISCES - last third of astrological circle and symbol of water element.

4. Imperfect world - conscious sphere.
SAGITTARIUS - third segment of zodiacal chart and fire natural elements.
LEO - second segment of zodiacal chart and fire natural elements.
CRAB - first segment of zodiacal chart and water natural elements.

5. Discrete world - astral sphere.
SAGITTARIUS - area of slow planets - fiery elemental nature.
ARIES - area of less rapid planets - fiery elemental nature.
CRAB - area of fast heavenly bodies - water elemental nature.

6. Discrete world - ethereal sphere.
SAGITTARIUS - slow heavenly bodies and fire elementals.
LEO - less rapid heavenly bodies and fire elementals.
PISCES - fast planets and water elementals.

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Some hexagrams i-jing form identical triangles which are formed by identical angular aspects, but correspond with different zodiacal signs within astrological circle.
For example, twelve hexagrams with serial numbers 1, 2, 6, 8, 19, 21, 22, 34, 39, 44, 63, 64 in the space of astrological chart of perfect world form 12 identical triangles which correspond with different zodiacal signs.
Or twelve hexagrams with serial numbers 11, 27, 30, 31, 42, 45, 46, 54, 56, 57, 58, 59 in the space of astrological chart of human person form 12 identical triangles which correspond with different zodiacal signs, that can be interesting to researchers of the Chinese Book of Changes or astrologers.

Next 22 hexagram.
Information about serial numbers of hexagrams in horoscopes and celestial maps.